Shimano XT FC-M8100 Crank Arm Fixing Bolt

Shimano XT FC-M8100 Crank Arm Fixing Bolt The OEM fixing bolt for Shimano's XT FC-M8100 crankset, engineered to secure the crank arm to the spindle with precision engineering. This component ensures reliable power transfer and eliminates play at the crank interface—critical for maintaining drivetrain efficiency and responsiveness during high-intensity efforts. Genuine Shimano hardware guarantees compatibility and durability with your XT crankset. Essential for installation, maintenance, or replacement on M8100-equipped bikes.